green
Green is the color that universal indicator turns to when it is neutral.
To pickle a vegetable it is usaually preserved in vinegar. Vinegar is acidic so would naturally affect the colour of the indicator.
A neutral solution added to universal indicator will turn green.
it will remain the same
The color is green for the universal indicator.
blue
It changes colour and becomes NEUTRAL so it doesn't have any affect on anything.
Use an indicator...? Beetroot and red cabbage work in the home if you don't happen to live down the street from a lab. I don't.
The Universal Indicator would go green which is pH 7.
At a pH of 10-11 the color of the red beetroot juice change from red to yellow.
phenolphthalien when added to an acidic solution has a colourless indicator. but shows pink colour for basic solution.
i page cuz i thought you had the answer.........